-2a+10=-20

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Solution for -2a+10=-20 equation:



-2a+10=-20
We move all terms to the left:
-2a+10-(-20)=0
We add all the numbers together, and all the variables
-2a+30=0
We move all terms containing a to the left, all other terms to the right
-2a=-30
a=-30/-2
a=+15

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